Hello everyone,
I heard some points that the memory allocated by new does not belongs to virtual memory, and onlymemory allocated by VirtualAlloc belongs to virtual memory.
1.
I think this statement is not correct. Since all memory touched by current process belongs to virtual memory (either reserved or committed). No matter how (through which API) developer is using.
2.
And new always utilize VirtualAlloc in underlying internal implementation code, so new (in implementation point of view) will consume virtual memory -- the same as what VirtualAlloc does.
Are my points (1) and (2) correct?
thanks in advance,
George
9  1371 
Chapter 13 Windows vis C/C++ Jeffrey Richter 2008.
oler1s 671
Recognized Expert Contributor
I don't know. Well, I don't care to find out for you. Maybe the people here, here, here, and here may have an answer, especially since you asked them all the same question.
By calling new , memory is allocated in heap i.e RAM.
But by callinf VirtualAlloc, means allocating in virtual memory. when you wanna use it, then commit it.
Asadullah ansari
By calling new , memory is allocated in heap i.e RAM.
Of course it's in RAM. The allocation is in the computer. However, by default, new calls VirtualAlloc() in Windows.
Please read Chapter 13 Windows vis C/C++ Jeffrey Richter 2008.
Thanks weaknessforcats,
I agree and I think you mean the memory allocated by new belongs to virtual memory. Right?
Of course it's in RAM. The allocation is in the computer. However, by default, new calls VirtualAlloc() in Windows.
Please read Chapter 13 Windows vis C/C++ Jeffrey Richter 2008.
regards,
George
Please read Chapter 13 Windows vis C/C++ Jeffrey Richter 2008.
Please read Chapter 13 Windows via C/C++ Jeffrey Richter 2008.
Looks like a pretty new book, I can not find it in local book store.
Please read Chapter 13 Windows via C/C++ Jeffrey Richter 2008.
regards,
George
Looks like a pretty new book, I can not find it in local book store.
I got mine at Amazon.com.
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